Jardi Botanic de Barcelona Barcelona Botanical Gardens is part of Barcelona's science museum and is located on a gentle slope on Montjuic mountain. The Jardí Botànic de Barcelona offers visitors a different walk in each season of the year with vegetation from the five regions in the world that have a Mediterranean-type climate. The Museu de Ciències Naturals de Barcelona also consists of Museu Blau, Laboratori de Natura, and Museu Martorell